congqixia 86e347a1a4
enhance: [2.3] Cache formatted key for param item (#31388) (#31402)
Cherry-pick from master
pr: #31388 
See also #30806

`formatKey` may cost lots of CPU on string processing under high QPS
scenario, this PR adds a formattedKeys cache preventing string operation
in each param get value.

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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2024-03-19 19:25:10 +08:00
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